/**
 * Copyright (C) 2016 Hyphenate Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hyphenate.easeui.utils;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.text.TextUtils;
import android.util.Log;

import com.hyphenate.util.EMLog;
import com.hyphenate.util.PathUtil;

public class EaseImageUtils extends com.hyphenate.util.ImageUtils{
	
	public static String getImagePath(String remoteUrl)
	{
		String imageName= remoteUrl.substring(remoteUrl.lastIndexOf("/") + 1, remoteUrl.length());
		String path =PathUtil.getInstance().getImagePath()+"/"+ imageName;
        EMLog.d("msg", "image path:" + path);
        return path;
		
	}
	
	public static String getThumbnailImagePath(String thumbRemoteUrl) {
		String thumbImageName= thumbRemoteUrl.substring(thumbRemoteUrl.lastIndexOf("/") + 1, thumbRemoteUrl.length());
		String path =PathUtil.getInstance().getImagePath()+"/"+ "th"+thumbImageName;
        EMLog.d("msg", "thum image path:" + path);
        return path;
    }
	
	public static String getFileNameFromUrl(String url) {
		if (!isEmptyString(url)) {
			int lastIndexOf = url.lastIndexOf("/");
			return url.substring(lastIndexOf, url.length());
		}
		return "";

	}
	

	public static boolean isEmptyString(String json) {
		if (TextUtils.isEmpty(json)) {
			return true;
		}

		if (TextUtils.isEmpty(json.trim())) {
			return true;
		}

		if ("null".equals(json.trim())) {
			return true;
		}

		if ("NULL".equals(json.trim())) {
			return true;
		}

		return false;
	}
	

	public static File getFileFromBitmap(Bitmap bitmap, File file) {
		return getFileFromBitmap(bitmap, file, null);
	}

	public static File getFileFromBitmap(Bitmap bitmap, File file,
			CompressFormat cf) {
		FileOutputStream fileOutputStream;
		CompressFormat cFormat;
		if (null == cf) {
			cFormat = CompressFormat.JPEG;
		} else {
			cFormat = cf;
		}
		try {
			fileOutputStream = new FileOutputStream(file);
			bitmap.compress(cFormat, 100, fileOutputStream);
			try {
				fileOutputStream.flush();
			} catch (IOException e) {
				e.printStackTrace();
			}
			try {
				fileOutputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return file;
		} catch (FileNotFoundException e) {
			Log.e("myUtils", "compressImageFileSize---FileNotFoundException");
			return null;
		}
	}
	
}
